PHYSICS MULTIPLE CHOICE QUESTIONS SET 10

PHYSICS 

MULTIPLE CHOICE QUESTIONS SET 10

1. Bending of light around an obstacle is due to
A. interference                   
B. polarization                       
C. diffraction                  
D. dispersion
Answer: Option  c
 
2. Waves produced on the surface of water is
A. longitudinal                       
B. transverse                 
C. stationary          
D. electromagentic
Answer: Option  b
 
3. What is the main component of biogas and natural gas?
A. butane             
B. methane                  
C. propane                   
D. ethane
Answer: Option  b
 
4. The unit of power of a lens is
A. decibel                    
B. diopter                  
C. pascal               
D. stroke
Answer: Option B
 
5. Aviation fuel for Jet aeroplanes consists of purified
A. petrol           
B. gasoline               
C. diesel              
D. kerosene
Answer: Option  d
 
6. If a train were to move with velocity of light its length would be
A. zero             
B. finite                    
C. infinite                   
D. unchanged
Answer: Option  a
 
7. Mercury boils at
A. 100° C               
B. 357° C                  
C. 247° C                   
D. 189° C
Answer: Option  b
 
8. Which is the weak acid in the following?
A. nitric acid                
B. acetic acid        
C. hydrochloric acid      
D. sulphuric acid
Answer: Option  b
 
9. A piece of stone and or iron travelling through space that moves through the earth's atmosphere is
A. Planet                
B. Meteor               
C. Moon             
D. Sun
Answer: Option  b
 
10. Rocket engine works on the principle of
A. Newton’s first law                       
B. Newton’s second law          
C. Newton’s third law                   
D. Newton’s fourth law
Answer: Option  c